default-multiple-submit-1.html (488B)
1 <!DOCTYPE html> 2 <html> 3 <style> 4 input { color: green; } 5 input.notdefault:default { color: red; } 6 input.default:not(:default) { color: red; } 7 </style> 8 <body> 9 <form id="one"></form> 10 <input type="submit" form="one" class="default" id="test"> 11 <form id="two"> 12 <input type="submit" class="notdefault"> 13 </form> 14 <script> 15 document.body.offsetWidth; 16 document.getElementById("test").setAttribute("form", "two"); 17 </script> 18 </body> 19 </html>